/*
 * Copyright (C) 2025 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.tools.idea.wear.dwf.dom.raw.expressions

import com.intellij.lang.ASTNode
import com.intellij.lang.ParserDefinition
import com.intellij.lang.PsiParser
import com.intellij.lexer.Lexer
import com.intellij.openapi.project.Project
import com.intellij.psi.FileViewProvider
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiFile
import com.intellij.psi.tree.IFileElementType
import com.intellij.psi.tree.TokenSet

class WFFExpressionParserDefinition : ParserDefinition {
  override fun createLexer(project: Project?): Lexer = WFFExpressionLexer()

  override fun createParser(project: Project?): PsiParser = WFFExpressionParser()

  override fun getFileNodeType(): IFileElementType = WFF_EXPRESSION_FILE_TYPE

  override fun getCommentTokens(): TokenSet = TokenSet.EMPTY

  override fun getStringLiteralElements(): TokenSet = TokenSet.EMPTY

  override fun createElement(node: ASTNode?): PsiElement =
    WFFExpressionTypes.Factory.createElement(node)

  override fun createFile(viewProvider: FileViewProvider): PsiFile =
    WFFExpressionPsiFile(viewProvider)

  override fun spaceExistenceTypeBetweenTokens(left: ASTNode?, right: ASTNode?) =
    ParserDefinition.SpaceRequirements.MAY
}
